Francis, Simon
Brunei checklist : a bibliography of English-language references relating to Brunei Darussalam / compiled and edited by Simon Francis
University of Hull, Centre for South-East Asian Studies, 1993
 Buku Referensi
Sambrook, G.A.
English language
Longmans, Green, 1947
 Buku Teks SO
Sambrook, G.A.
The English Language
Longmans Green & Co, 1947
 Buku Teks SO
An annotated bibliography of selected Chinese reference works
compiled by Ssu-yu Teng and Knight Biggerstaff
Harvard University Press, 1950
 Buku Referensi
Greenbaum, Sidney
A students grammar of the English language
Longman , 1990
 Buku Teks SO